A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6110-01-444-1688
NSN 6220-01-199-7241
NSN 5930-00-968-7784
NSN 6220-00-484-1017
NSN 6135-01-556-7318
NSN 6240-00-244-0483
NSN 5950-01-506-4694
NSN 5945-00-543-1980
NSN 5996-01-392-3171
NSN 6150-01-484-6465
NSN 6145-01-142-2234
NSN 6150-00-337-8328